Improvement in knitting-machines



UNITED STA-Tes PATENT OFFICE.

A. B. PROUTY, OF WORCESTER, MASSACHUSETTS, ASSIGNOR TO SAMUEL V. ESSICK, OF MANSFIELD, OHIO. -V

IMPROVEMENT IN KNlTTlNG-IVIACHINES.

l.Specification formingpart ot' Letters Patent No. 98,4 l 0, dated December z8, 1h09.

To all whom it may concern,.-

Be it known that I, A. B. PRoUTY, of Worcester, in the State of Massachusetts, have invented Vcertain Improvements in Knitting- Machines, and I 'do hereby declare-that the following, taken in connection lwith the drawings which accompany and form part of this specication, is a description of my invention sufficient to enable those skilled in the art to practice it.

My invention is an improvement on the knitting-machine patented to S. V. Essick,

The same letters and figures refer to the same parts in the several illustrations on the drawings. I

A is the bed of the machine, adapted to be secured by clamp, thumb-screw, or in any convenient manner to the ledge or leaf of a table, so that it may be driven by a handcrank.

The general frame-work of the machine, being very similar to that in the aforenamed patent, need not behere particularly described'.

B is the main shaft, having thereon a crank,

C, which, by means of the connecting-link D, vactuates the needle-bar E, which reciprocates in bearings in the block F. f Gis a cam on the same shaft, B, and is so formed as to impart to the bar H, which carries a portion of the loop-forming devices, a forwardand-back and-also an up-and-down motion, a projection, I, on said bar serving for receiving from the cam the proper movements for this purpose, and a spring, K, underneath the table and connected to the bar H, assisting therein.

L is a cam, side by Aside with cam G, and it is spanned by the yoke M of lever N, the rotation of cam L serving positively to raise the forward end of N as the needle advances and to lower it when it retreats. To the for-A ward end of N is secured a vertical piece having thereon, as shown, a tooth, 1, to pass between the teeth of the disk, a projection, 2,- to pass between and spread open the spring-j aws which enter between the needle and its thread, and a side projection, V3, which, just before the feed takes place, passes down between the ends of the teeth 'of the disk and the spring thread deflector 4, the latter yielding for this purpose.

` O is a cam on the same shaft, B, and which is grasped by the yoke P of the sliding and rocking rod or shaft Q, the cam in its revolutions serving to impart a reciprocating motion forward and backward in its bearings to the slide-rod, but not yet preventing a slight tilting of the yoke when'the rod is rocked on its longitudinal axis, as hereinafter mentioned. To the forward end of this slide-rod Qis rigidly secured at right angles thereto a cross-piece, R, having on its lower surface an acute angle at its forward edge, so that it may at either end act as a pawl or pusher against the teeth on the upper face of wheel S. This wheel has Y also cuts or nicks on its periphery, as shown,

and which are adaptedrto receive the teeth TY of the stitch and cloth-holding disk, and by so doing drive the latter into one of these same cuts or nicks. A detent, U, enters at every stitch, as hereinafter mentioned.

V is, a stitch-lever, pivoted at o upon the 'v stationary cross-bar W, and having an arm at its forward end projecting over the circular series of holes in the face ofthe disk, in order that it may be actuated by any pin or pins which may be inserted inany of said holes. The long arm of this switch-lever is a spring having'a downward tendency, so that when bearing on either arm of the cross-piece B' it shall press down that arm into the teeth on one side of the upper surface of wheel S and correspondingly lift the other arm of the crosspiece out of the teeth with which it had previously engaged. to limit in one direction the movement of the switch-lever, the block F serving to limit it A wire-or post, X, serves one ol' the side notches in the periphery ofthe 'wheel S with which. it last engaged, and leaving the wheel free to be rotated by the forward movement of the pawl. Vhen this latter-named feed movement has taken place, the spring 5 forces the rod U back 'to its former position, and the wheel is again locked to place during the forward position of the needle and while the stitch is being formed.

6 is a hanger depending fronithe underside of the bed, and adjustably secured to which is a spring-piece or thread-deiector, 4, which has on its side toward the needle an incline which serves to deiiect or guide the yarn to the right side ofthe tooth of the disk while the needle is moving forward, thus insuring its always being in proper position. The yielding or springing quality of this thread-de Hector enables the side projection, 3, oi' the presser, which is attached to the ibrward part of the arm N, to carry the thread down between the spring and the disk.

I claim- 1. rlhe combination of the toothed workholding disk with the wheel S, having teeth on its periphery serving to propel the disk,

thepropellingpawl R, mounted on a reciprocating shaft arranged to rock in its bearings, i

so as to bring either arni of the pawl into or out of action, substantially as shown and described.

8. The combination of the cani on the driving-shaft, the reciprocating rocking-shaft Q and its pawl R, wheel S, spring switch-lever V, and adjustable pin or pins on the disk.

4. The combination of the pin or projection Y on the needle-stock, the slide U and its spring 5. and the wheel S, substantially as shown and described.

5. The combination, with the toothed disk, ofthe hanger 6 and the spring piece or deflector 4, substantially as shown and described.

A. B. PROUTY.

Witnesses ROBERT LANG, G. SANDFORD. 

